Ilidža climate — normals and trends
Ilidža (Bosnia and Herzegovina) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.8 °C and it receives 1,125 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (17.4 °C on average) and the coldest is January (-2.5 °C). Rainfall peaks in November.
Ilidža averages 116 frost days, 4 hot days (≥ 30 °C) and 155 rainy days per year.
Ilidža has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 137 to 95 per year over the period.
The hottest day of the period reached 34.9 °C (on 24 August 2007) and the coldest -29.6 °C (on 4 January 1979).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
IlidžaFederation of Bosnia and Herzegovina
- coords
- 43.83°, 18.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.8°C
Average daily high
12.4°C
Average daily low
3.5°C
Annual rainfall
1,125mm
Sunshine / day
8.6h
Mean relative humidity
78%
Average peak wind
9.6km/h
Seasonal range
19.9°C
Frost days (< 0 °C)
116 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
212.3 cm
Average feels-like high
10.7 °C
Average feels-like low
1.2 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.59 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.9 °C
24 August 2007
Coldest day
-29.6 °C
4 January 1979
Wettest day
86 mm
11 October 2002
Windiest day
28.5 km/h
30 March 1947
Strongest gust
125.3 km/h
13 December 1957
Hottest feels-like
36.5 °C
21 June 2024
Coldest feels-like
-34.5 °C
4 January 1979
Snowiest day
44.0 cm
10 December 1944
Sunniest day
14.8 h
23 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 5.9 °C | +4.9 °C | 60 mm | -27 mm |
| Feb | 5.7 °C | +2.7 °C | 55 mm | -37 mm |
| Mar | 11.3 °C | +4.4 °C | 210 mm | +117 mm |
| Apr | 14.5 °C | +2.6 °C | 107 mm | +3 mm |
| May | 17.0 °C | +0.2 °C | 73 mm | -34 mm |
| Jun | 26.0 °C | +5.7 °C | 13 mm | -87 mm |
| Jul | 26.0 °C | +3.4 °C | 81 mm | -2 mm |
| Aug | 24.8 °C | +1.7 °C | 41 mm | -29 mm |
| Sep | 22.1 °C | +3.0 °C | 99 mm | +18 mm |
| Oct | 12.4 °C | -1.5 °C | 99 mm | +10 mm |
| Nov | 9.4 °C | +1.8 °C | 159 mm | +45 mm |
| Dec | 5.5 °C | +2.9 °C | 30 mm | -74 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ilidža?
Ilidža has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.8 °C and it receives 1,125 mm of precipitation per year.
What is the hottest day ever recorded in Ilidža?
The hottest day measured in Ilidža between 1940 and 2025 was 24 August 2007, reaching 34.9 °C.
What is the coldest day in Ilidža?
The coldest day measured in Ilidža between 1940 and 2025 was 4 January 1979, at -29.6 °C.
Does it snow in Ilidža?
Yes. Ilidža gets on average 212.3 cm of snow per year and has around 116 frost days.
Has the climate of Ilidža warmed?
Yes: Ilidža warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ilidža?
The wettest day measured in Ilidža between 1940 and 2025 was 11 October 2002, with 86 mm of rain in 24 hours.
What was the windiest day in Ilidža?
The windiest day measured in Ilidža between 1940 and 2025 was 30 March 1947, with winds reaching 28.5 km/h.
What is the warmest month in Ilidža?
The warmest month in Ilidža is July (17.4 °C on average); the coldest is January (-2.5 °C).
How much does it rain in Ilidža?
Ilidža receives on average 1,125 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Ilidža?
Ilidža gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ilidža?
The heaviest 24-hour snowfall measured in Ilidža between 1940 and 2025 was 10 December 1944, with 44.0 cm.
Are there tropical nights in Ilidža?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ilidža.
What was the most extreme apparent temperature in Ilidža?
In Ilidža, between 1940 and 2025, the highest apparent temperature reached 36.5 °C on 21 June 2024, and the lowest was -34.5 °C on 4 January 1979.
Compare Ilidža with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ilidža